| 摘要 |
<p>An actuator (8,108) including a device (160,162) for providing a magnetic field including a magnetic field generator (30,160), the actuator further including an output element (21, 22:164) being moveable between a first position where it blocks or breaks an associated mechanical transmission path and a second position where it unblocks or forms part of an associated mechanical transmission path, the output element being moveable as a result of changes in its local magnetic field as generated by the magnetic field generator, at least a part of the device being moveable to change said local magnetic field to effect movement of the output element. <IMAGE></p> |
